CN217669561U - End oversheath cutting device for cable construction - Google Patents

Abstract

The utility model relates to the technical field of cable construction, in particular to an end outer sheath cutting device for cable construction, which comprises a support plate and a bearing plate, wherein the support plate and the bearing plate are fixedly connected with a base plate which is horizontally arranged; the built-in pivot portion of linking axle can rotate around the axial lead, and the perpendicular fixedly connected with mounting panel of interior axle head of pivot portion runs through and threaded connection has a pair of sliding seat through the threaded rod in the mounting panel, and the vice screw thread of screw thread between a pair of sliding seat and threaded rod revolves to opposite, and the bulge of a pair of sliding seat is fixed and is equipped with a pair of cutting ring, and the cutting edge portion of a pair of cutting ring encircles the setting relatively. The utility model discloses whole equipment structure is compact, and small in size occupies small area in ground, does not rely on electric power can realize standardizing the cutting. Only through the organic combination of two parts of centre gripping and measurable cutting, only single can convenient operation.

Description

End oversheath cutting device for cable construction

Technical Field

The utility model relates to a cable construction technical field specifically is an end oversheath cutting device for cable construction.

Background

Cables are generally rope-like cables made by stranding several wires or groups of wires, each group insulated from the other and often twisted around a center, the entire outer surface being covered with a highly insulating covering. The cable head needs to be peeled according to a set length before wiring in a cable construction site, and manual peeling has potential safety hazards, wastes time and labor and is difficult to meet the standard requirement.

The prior patent (publication number: CN 215658138U) discloses a cutting device for a circular pipe of a cable outer sheath, which comprises a workbench and a frame, wherein the frame is supported and fixed above the workbench, the frame is parallel to the workbench, a second electric push rod is arranged on the surface of the upper part of the right side of the frame, a first electric push rod is arranged on the frame on the left side of the second electric push rod, a cutting machine is arranged at the bottom of the first electric push rod, a pressing knife is vertically fixed at the bottom of the second electric push rod, and an electric heating wire is embedded and fixed in the pressing knife. The utility model discloses a set up a pressure sword that drives the lift by second electric putter on the right side of cutting machine to make the pressure sword can be heated by the heating wire, can make the pressure sword press down earlier and scald a shallow slot at the surperficial of circular pipe when cutting the circular pipe, then make the circular pipe push to one side, make the cutting machine cut off the circular pipe through the shallow slot, the smoothness on circular pipe surface when avoiding cutting and influence cutting efficiency. The inventor finds that the prior art has the following problems in the process of realizing the utility model: 1. at present, the sheath of the cable is cut in the construction process of the cable, the operation mode of the cable is mostly that the cable is cut by hands of a constructor, the operation mode is relatively original, the cut part of the sheath is not smooth enough, and the constructor has potential safety hazards in the cutting process; 2. general cutting equipment structure is comparatively complicated, and its equipment volume is great, and area is big to most need electric power to support, can not one-man operation, inconvenient open air carries the use, can not fine satisfy people's user demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an end oversheath cutting device for cable construction to solve the problem that proposes in the above-mentioned background art, the equipment that will cut the cable tip sheath is miniaturized, does not rely on electric power, nevertheless does not lose the cutting standardization. In order to achieve the above object, the utility model provides a following technical scheme:

end oversheath cutting device for cable construction, its characterized in that: the device comprises a supporting plate and a bearing plate which are fixedly connected with a base plate horizontally arranged, wherein the supporting plate and the bearing plate are respectively and fixedly connected with a positioning seat used for clamping the end part of a cable and a connecting shaft used for cutting off a sheath at the end part of the cable; the built-in pivot portion of linking up the axle can rotate around the axial lead, the perpendicular fixedly connected with mounting panel of interior axle head of pivot portion, run through the threaded rod in the mounting panel and threaded connection has a pair of sliding seat, the vice screw thread between a pair of sliding seat and threaded rod revolves to opposite, the sliding seat is to the protrusion of positioning seat direction, a pair of cutting ring is fixed to the bulge of a pair of sliding seat, the plane in a pair of cutting ring place is perpendicular with the axial lead of pivot portion, the relative setting of embracing of cutting edge portion of a pair of cutting ring.

Furthermore, the positioning seat is provided with a through positioning ring, and the positioning ring is superposed with the axis line of the connecting shaft rotating shaft part.

Furthermore, a cavity which takes the positioning ring as a center is arranged in the positioning seat, an upper clamping plate and a lower clamping plate are arranged in two sides of the positioning ring in the cavity, one side of the upper clamping plate and one side of the lower clamping plate are penetrated through by the same guide rod in a sliding mode, the other side of the upper clamping plate and the other side of the lower clamping plate are in threaded connection with the same clamping screw rod, the thread pair threads between the clamping screw rod and the upper clamping plate and between the clamping screw rod and the lower clamping plate are opposite in rotating direction, and the clamping screw rod is parallel to the guide rod.

Furthermore, the upper clamping plate and the lower clamping plate are in the same plane, relatively convex limiting teeth are integrally arranged in the range of the positioning ring, the limiting teeth are respectively provided with a pair of the upper clamping plate and the lower clamping plate, and the inner side edges of the limiting teeth are recessed to form an arc for embracing the cable.

Preferably, the outer shaft end of the rotating shaft part is fixedly connected with a control arm, and the control arm is perpendicular to the shaft axis of the rotating shaft part.

One end of the threaded rod extends out of the mounting plate and is connected with a rocker arm capable of rotating around the central axis of the threaded rod.

Preferably, the inner side surface of the mounting plate is fixedly connected with a linear guide rail, and the linear guide rail is in sliding connection with the pair of movable seats.

Preferably, the outer end of the guide rod extends out of the positioning seat, the surface of the outer end is provided with transverse threads, the inner end is provided with a convex ring integrated with the guide rod, and the positioning seat where the inner end is located is provided with a limiting groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses whole equipment structure is compact, and small in size occupies small in area on ground, does not rely on electric power can realize standardizing the cutting. Only through the organic combination of two parts of centre gripping and measurable cutting, only single can convenient operation.

The threaded rod with the bidirectional threads can be used for synchronously closing up the circular cutter, the thickness of a cut sheath can be accurately set by using the mounting plate and the threaded rod, the thickness of the sheath in the radius direction of one thread pitch is cut by rotating the rocker arm of the threaded rod for one circle, the end part of the cable is rotated by using the control arm after the cutting is set, and the sheath which is not completely cut is completely torn and is broken regularly. Realize standard cutting operation, avoided the potential safety hazard of using the cutter.

The clamping screw rods on the two sides of the positioning ring are matched with the guide rod to realize synchronous clamping operation of a pair of clamping plates in the middle area by only operating the clamping wheel on one side. Thereby maintaining the cage coaxial with the coupling shaft. The guide rod is except that the guide effect, for preventing splint from being deadly by the card at the removal in-process, stretches out the outer end to set up the striae, the dead phenomenon of card can be contacted rapidly to the axial removal guide rod slightly.

Utilize backup pad and bearing plate to support the positioning seat respectively with linking the axle, keep the axiality between them installation from this, cooperation between tight pulley of wherein clamp and the punch holder can carry out the centre gripping to the both sides of cable fixed, avoid the cable in cutting process and link up the synchronous revolution between the axle.

The utility model discloses in, the depth of cut when linking up the axiality between axle and the positioning seat and can keeping two cutting rings to insert the crust is the same, and avoid the cutting ring to take place eccentric rotation's the condition with the cable in cutting process, utilize the opposite threaded rod of screw thread can realize the relative movement of sliding seat splint, realize the synchronism of two sliding seat splints in the removal process, wherein the operating mode of threaded rod is comparatively simple and convenient, the sliding seat of symmetric distribution and cutting ring can insert respectively in the crust of cable both sides, wherein the cutting ring is established to circular-arc structure, can use the cable cutting operation of various different bores from this.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 isbase:Sub>A schematic sectional view A-A of FIG. 1;

FIG. 3 is a schematic view of the structure along the direction B-B in FIG. 1.

In the figure: 1. a positioning frame; 101. a base plate; 102. a support plate; 103. a bearing plate; 104. positioning seats; 105. a clamping wheel; 106. an upper splint; 107. a lower splint; 108. clamping the screw rod; 109. a guide rod; 110. limiting teeth; 111. positioning a ring; 112. a limiting groove; 2. a connecting shaft; 3. a control arm; 4. mounting a plate; 5. a threaded rod; 6. a rocker arm; 7. a movable seat; 8. cutting with a ring cutter; 9. a linear guide rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: an end outer sheath cutting device for cable construction comprises a positioning frame 1, and a clamping device and a cutting device which are arranged on the positioning frame 1.

As shown in FIG. 1, the positioning frame 1 has a basic structure comprising a base plate 101, a support plate 102 and a bearing plate 103, wherein the base plate 101 is underlaid and horizontally arranged, and can be provided with a four-corner leveling structure, and a larger coverage area can have better smoothness. The supporting plate 102 and the bearing plate 103 are both fixed to the base plate 101, the clamping device and the cutting device are respectively mounted on the supporting plate 102 and the bearing plate 103, so that all the components are connected into a whole, and the supporting plate 102 and the bearing plate 103 are not respectively in a single thin plate shape, but can also be in a complex bracket combination. The distance between the support plate 102 and the pressure plate 103 substantially determines the distance between the clamping device and the cutting device.

The clamping device is used for clamping the end part of a cable to be sheathed, the positioning seat 104 is fixed on the supporting plate 102, the positioning seat 104 is of a hollow frame structure, a penetrating positioning ring 111 is arranged facing the cutting device, a pair of clamping plates are arranged inside the positioning seat 104 and comprise an upper clamping plate 106 and a lower clamping plate 107, and the upper clamping plate 106 and the lower clamping plate 107 can be arranged in the vertical direction or can be symmetrically arranged in the horizontal direction or other directions. The middle parts of the pair of clamping plates are aligned with a positioning ring 111, a clamping screw 108 and a guide rod 109 penetrate through the two sides of the positioning ring 111 respectively, the clamping screw 108 is in threaded connection with the upper clamping plate 106 and the lower clamping plate 107 respectively, the thread directions of thread pairs of the upper clamping plate 106 and the lower clamping plate 107 are opposite, and the guide rod 109 is inserted into the upper clamping plate 106 and the lower clamping plate 107 in a relatively sliding mode. The guide rod 109 is in transition fit with the upper clamp plate 106 and the lower clamp plate 107. One end of the clamping screw 108 extends out of the positioning socket 104, and the end is fixedly connected with a clamping wheel 105, and the clamping wheel 105 is used for facilitating manual rotation of the clamping screw 108. The lead angle of the clamping screw is smaller than the self-locking angle, so that the screw can automatically self-lock after rotating, and the guide rod 109 plays a role in guiding and maintaining a pair of clamping plates in a state of being vertical to the clamping screw 108. Obviously, a pair of the upper clamping plate 106 and the lower clamping plate 107 are in the same plane, a pair of the upper clamping plate 106 and the lower clamping plate 107 are integrally provided with a pair of relatively convex limiting teeth 110 within the range of a positioning ring 111, the limiting teeth 110 are respectively provided with a pair of the upper clamping plate 106 and the lower clamping plate 107, and the inner sides of the limiting teeth are concave in an arc shape for embracing the cable.

Thus, simultaneous movement of the pair of jaws towards and away from each other can be achieved by turning the clamping wheel 105, and maintaining the midpoint between the pair of jaws constant at the center of the positioning ring 111. The clamping wheel 105 is screwed to clamp the cable end in the central position of the positioning ring 111 or to release the clamped cable.

In order to prevent the clamping plate from being blocked in the moving process, the outer end of the guide rod 109 extends out of the positioning seat 104, the surface of the outer end is provided with transverse threads so as to be convenient for manually and axially moving the guide rod 109, the inner end of the guide rod 109 is provided with a convex ring integrated with the guide rod 109, the positioning seat 104 where the inner end is located is provided with a limiting groove 112, the convex ring is allowed to move in the range of the limiting groove 112, and the convex ring cannot move out when the range of the limiting groove 112 exceeds, so that the axial moving range of the guide rod 109 is limited. From the manufacturing point of view, it is necessary to provide a cover plate connected by screws below the limit groove 112. The manual axial movement of the guide rod 109 can improve the condition that the pair of clamping plates are blocked and difficult to move due to the inclination angle formed between the clamping plates and the guide rod 109. The clamping phenomenon can be well improved by transversely arranging the pair of clamping plates.

The cutting device is installed in the pressure plate 103, and fixedly connected with links up axle 2 that is used for cutting off the cable tip sheath, link up axle 2 and be equipped with shell portion and built-in pivot portion, built-in pivot portion can rotate around the axial lead, and the axial lead of pivot portion and the coincidence of the axial lead of position circle. The shell part is fixed with the bearing plate 103, the outer end of the rotating shaft part is fixedly connected with the control arm 3, and as shown in figure 1, the control arm 3 is parallel to the bearing plate 103 and has enough length to form a labor-saving lever. The inner of pivot portion is fixed connection mounting panel 4, and mounting panel 4 in-connection has a pair of sliding seat 7 and the threaded rod 7 of control a pair of sliding seat 7 removal.

As shown in fig. 3, a pair of movable seats 7 is inserted into the mounting plate 4 through the threaded rod 5 and is screwed, and the screw thread pair between the pair of movable seats 7 and the threaded rod 5 has opposite screw thread directions. The pair of movable seats 7 is slidably embedded in the mounting plate 4, the threaded rod 5 penetrates through the centers of the pair of movable seats 7, the outer end of the threaded rod 5 extends out of the mounting plate 4 and is fixedly connected with the rocker arm 6, and the pair of movable seats 7 can move oppositely or oppositely by shaking the rocker arm 6.

As shown in fig. 1, the pair of movable seats 7 protrudes toward the positioning seat 104, a pair of cutting rings 8 is fixedly disposed on opposite sides of the protruding portion of the pair of movable seats 7, a plane where the pair of cutting rings 8 is located is perpendicular to an axial line of the rotating shaft portion, and blade portions of the pair of cutting rings 8 are oppositely disposed to surround and cut a sheath of the cable.

In order to prevent the pair of movable blocks 7 from tilting due to gravity, linear guide rails 9 are fixedly connected to the inner side surfaces of the mounting plates 4, and the linear guide rails 9 are slidably fitted into the pair of movable blocks 7.

The coaxiality between the connecting shaft 2 and the positioning seat 104 can keep the cutting depth synchronization when the two ring cutters are inserted into the sheath, and the eccentric rotation of the ring cutters and the cable in the cutting process is avoided, the opposite movement of the movable seat clamping plates can be realized by utilizing threaded rods with opposite threads, the synchronism of the two movable seat clamping plates in the moving process is realized, wherein the operation mode of the threaded rods is simple and convenient, the movable seats and the ring cutters which are symmetrically distributed can be respectively inserted into the sheath on two sides of the cable, wherein the ring cutters are arranged into circular arc-shaped structures, and therefore the cable cutting operation with various different calibers can be used. Utilize the threaded rod of bispin to screw thread can close up the girth cutter in step, utilize mounting panel and threaded rod can the accurate sheath thickness of setting for cutting, the rocking arm of threaded rod rotates the sheath thickness of a week for cutting the radius direction of a pitch, sets for the cutting back, utilizes control arm rotation cable tip, will cut incomplete sheath and tear completely and neat fracture. Realize standard cutting operation, avoided the potential safety hazard of using the cutter. The radian of the cutting edge of the cutting ring 8 is 30-55 degrees, the diameters of the two end parts of the cutting ring are smoothly increased, the cross section of the cutting ring 8 is stepped, and the length of the blade part meets the cable skin thickness standard, so that excessive cutting is prevented.

The utility model discloses a use method: when the end outer sheath cutting device for cable construction is used, the working process is as follows:

as shown in fig. 1, 2 and 3, firstly, the user rotates the threaded rod 5 through the rocker arm 6 to make the distance between the movable seats 7 be at the maximum, and inserts the cable to be cut from the outer side of one side of the positioning frame and penetrates through the positioning seat 104. Utilize the rotation of tight pulley 105, a pair of splint open and shut in step, compress tightly fixedly the outside of cable conductor, avoid the cable to take place synchronous revolution between cutting process and linking axle 2 from this, and keep the axiality with the cutting ring, the axiality between linking axle 2 and positioning seat 104 can keep the cutting depth when two cutting rings 8 insert the crust the same, avoid cutting rings 8 to take place eccentric rotation's the condition with the cable in cutting process, the user drives threaded rod 5 rotatory through rocking arm 6 once more, the degree of depth that the cutting ring cut into has been set for to the rotatory angle of rocking arm 6 accuracy, it cuts wound and the heart yearn excessively to have avoided the cutting ring. The operation mode of the threaded rod 5 is simple and convenient, a user can press down or lift the control arm 3 afterwards, the control arm 3 can drive the mounting plate 4 to rotate through the connecting shaft 2, and therefore the cutting edge radian of the cutting ring 8 is 30-55 degrees, the diameters of two end portions of the cutting ring are increased smoothly, the cross section of the cutting ring 8 is in a step shape, and the length of the blade portion meets the cable sheath thickness standard, and excessive cutting is prevented.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. The skilled worker in this industry should understand that the present invention is not limited by the above embodiments, and what is described in the above embodiments and the specification is only the preferred embodiments of the present invention, and does not limit the present invention, without departing from the spirit and scope of the present invention, the present invention can also have various changes and improvements, and these changes and improvements all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides an end oversheath cutting device for cable construction which characterized in that: the device comprises a supporting plate (102) and a bearing plate (103) which are fixedly connected with a base plate (101) which is horizontally arranged, wherein the supporting plate (102) and the bearing plate (103) are respectively and fixedly connected with a positioning seat (104) for clamping the end part of a cable and a connecting shaft (2) for cutting off the sheath of the end part of the cable; the built-in pivot portion of linking up axle (2) can rotate around the axial lead, the perpendicular fixedly connected with mounting panel (4) of interior axle head of pivot portion, run through and threaded connection has a pair of sliding seat (7) through threaded rod (5) in mounting panel (4), the vice screw thread of screw thread between a pair of sliding seat (7) and threaded rod (5) revolves to opposite, sliding seat (7) are to positioning seat (104) direction protrusion, the bulge of a pair of sliding seat (7) is fixed and is equipped with a pair of cutting ring (8), a pair of cutting ring (8) place plane is perpendicular with the axial lead of pivot portion, the relative encircleing setting of cutting edge portion of a pair of cutting ring (8).

2. The device for cutting the outer sheath of the end for cable construction as claimed in claim 1, wherein: the positioning seat (104) is provided with a through positioning ring (111), and the positioning ring (111) and the axis line of the rotating shaft part of the connecting shaft (2) coincide.

3. The device for cutting the outer sheath of the end head for cable construction as claimed in claim 2, wherein: the utility model discloses a clamping device, including positioning seat (104), be equipped with in positioning seat (104) and use the cavity of position circle (111) as the center, it has punch holder (106) and lower plate (107) to embed in the both sides of position circle (111) in the cavity, one side of punch holder (106) and lower plate (107) is slided and is run through by same guide bar (109), the opposite side and same clamping screw (108) threaded connection, clamping screw (108) and the vice screw thread of screw thread between punch holder (106) and lower plate (107) revolve to opposite, clamping screw (108) are parallel with guide bar (109).

4. The device for cutting the outer sheath of the end for cable construction as claimed in claim 3, wherein: the upper clamping plate (106) and the lower clamping plate (107) are located on the same plane, relatively convex limiting teeth (110) are integrally arranged in the range of the locating ring (111), the limiting teeth (110) are respectively provided with a pair of the upper clamping plate (106) and the lower clamping plate (107), and the inner side edge of each limiting tooth is concave to form an arc for embracing the cable.

5. The device for cutting the outer sheath of the end for cable construction as claimed in claim 1, wherein: the outer axle end fixedly connected with control arm (3) of pivot portion, control arm (3) are perpendicular with the axial lead of pivot portion.

6. The device for cutting the outer sheath of the end for cable construction as claimed in claim 1, wherein: one end of the threaded rod (5) extends out of the mounting plate (4) and is connected with a rocker arm (6) capable of rotating around the central axis of the threaded rod (5).

7. The device for cutting the outer sheath of the end head for cable construction as claimed in claim 1, wherein: the inner side surface of the mounting plate (4) is fixedly connected with a linear guide rail (9), and the linear guide rail (9) is connected with the pair of movable seats (7) in a sliding manner.

8. The device for cutting the outer sheath of the end for cable construction as claimed in claim 3, wherein: the outer end of the guide rod (109) extends out of the positioning seat (104), the surface of the outer end is provided with transverse threads, the inner end is provided with a convex ring integrated with the guide rod (109), and the positioning seat (104) where the inner end is located is provided with a limiting groove (112).

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